builtins: Add smoothstep, deprecate smoothStep

Bug: tint:1483
Change-Id: I8702933312a7e46f82745f232214910433485fe5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85261
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>

docs/tint/origin-trial-changes.md

@@ -14,6 +14,10 @@
 * Attributes using `[[attribute]]` syntax are no longer supported. [tint:1382](crbug.com/tint/1382)
 * The `elseif` keyword is no longer supported. [tint:1289](crbug.com/tint/1289)
 
+### Deprecated Features
+
+* The `smoothStep()` builtin has been renamed to `smoothstep()`. [tint:1483](crbug.com/tint/1483)
+
 ## Changes for M101
 
 ### New Features

src/tint/builtins.def

@@ -382,8 +382,10 @@ fn sin(f32) -> f32
 fn sin<N: num>(vec<N, f32>) -> vec<N, f32>
 fn sinh(f32) -> f32
 fn sinh<N: num>(vec<N, f32>) -> vec<N, f32>
-fn smoothStep(f32, f32, f32) -> f32
-fn smoothStep<N: num>(vec<N, f32>, vec<N, f32>, vec<N, f32>) -> vec<N, f32>
+fn smoothstep(f32, f32, f32) -> f32
+fn smoothstep<N: num>(vec<N, f32>, vec<N, f32>, vec<N, f32>) -> vec<N, f32>
+[[deprecated]] fn smoothStep(f32, f32, f32) -> f32
+[[deprecated]] fn smoothStep<N: num>(vec<N, f32>, vec<N, f32>, vec<N, f32>) -> vec<N, f32>
 fn sqrt(f32) -> f32
 fn sqrt<N: num>(vec<N, f32>) -> vec<N, f32>
 fn step(f32, f32) -> f32

src/tint/resolver/builtin_test.cc

@@ -1300,6 +1300,7 @@ INSTANTIATE_TEST_SUITE_P(
     ResolverTest,
     ResolverBuiltinTest_ThreeParam,
     testing::Values(BuiltinData{"mix", BuiltinType::kMix},
+                    BuiltinData{"smoothstep", BuiltinType::kSmoothstep},
                     BuiltinData{"smoothStep", BuiltinType::kSmoothStep},
                     BuiltinData{"fma", BuiltinType::kFma}));
 

src/tint/sem/builtin_test.cc

@@ -92,6 +92,7 @@ INSTANTIATE_TEST_SUITE_P(
         BuiltinData{"sign", BuiltinType::kSign},
         BuiltinData{"sin", BuiltinType::kSin},
         BuiltinData{"sinh", BuiltinType::kSinh},
+        BuiltinData{"smoothstep", BuiltinType::kSmoothstep},
         BuiltinData{"smoothStep", BuiltinType::kSmoothStep},
         BuiltinData{"sqrt", BuiltinType::kSqrt},
         BuiltinData{"step", BuiltinType::kStep},

src/tint/sem/builtin_type.cc

@@ -225,6 +225,9 @@ BuiltinType ParseBuiltinType(const std::string& name) {
   if (name == "sinh") {
     return BuiltinType::kSinh;
   }
+  if (name == "smoothstep") {
+    return BuiltinType::kSmoothstep;
+  }
   if (name == "smoothStep") {
     return BuiltinType::kSmoothStep;
   }
@@ -479,6 +482,8 @@ const char* str(BuiltinType i) {
       return "sin";
     case BuiltinType::kSinh:
       return "sinh";
+    case BuiltinType::kSmoothstep:
+      return "smoothstep";
     case BuiltinType::kSmoothStep:
       return "smoothStep";
     case BuiltinType::kSqrt:

src/tint/sem/builtin_type.h

@@ -99,6 +99,7 @@ enum class BuiltinType {
   kSign,
   kSin,
   kSinh,
+  kSmoothstep,
   kSmoothStep,
   kSqrt,
   kStep,

src/tint/writer/glsl/generator_impl.cc

@@ -1602,6 +1602,7 @@ std::string GeneratorImpl::generate_builtin_name(const sem::Builtin* builtin) {
       return "packUnorm4x8";
     case sem::BuiltinType::kReverseBits:
       return "bitfieldReverse";
+    case sem::BuiltinType::kSmoothstep:
     case sem::BuiltinType::kSmoothStep:
       return "smoothstep";
     case sem::BuiltinType::kUnpack2x16float:

src/tint/writer/glsl/generator_impl_builtin_test.cc

@@ -111,6 +111,7 @@ const ast::CallExpression* GenerateCall(BuiltinType builtin,
     case BuiltinType::kFma:
     case BuiltinType::kMix:
     case BuiltinType::kFaceForward:
+    case BuiltinType::kSmoothstep:
     case BuiltinType::kSmoothStep:
       return builder->Call(str.str(), "f2", "f2", "f2");
     case BuiltinType::kAll:
@@ -233,6 +234,7 @@ INSTANTIATE_TEST_SUITE_P(
         BuiltinData{BuiltinType::kSign, ParamType::kF32, "sign"},
         BuiltinData{BuiltinType::kSin, ParamType::kF32, "sin"},
         BuiltinData{BuiltinType::kSinh, ParamType::kF32, "sinh"},
+        BuiltinData{BuiltinType::kSmoothstep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSmoothStep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSqrt, ParamType::kF32, "sqrt"},
         BuiltinData{BuiltinType::kStep, ParamType::kF32, "step"},

src/tint/writer/hlsl/generator_impl.cc

@@ -2547,6 +2547,7 @@ std::string GeneratorImpl::generate_builtin_name(const sem::Builtin* builtin) {
       return "lerp";
     case sem::BuiltinType::kReverseBits:
       return "reversebits";
+    case sem::BuiltinType::kSmoothstep:
     case sem::BuiltinType::kSmoothStep:
       return "smoothstep";
     default:

src/tint/writer/hlsl/generator_impl_builtin_test.cc

@@ -111,6 +111,7 @@ const ast::CallExpression* GenerateCall(BuiltinType builtin,
     case BuiltinType::kFma:
     case BuiltinType::kMix:
     case BuiltinType::kFaceForward:
+    case BuiltinType::kSmoothstep:
     case BuiltinType::kSmoothStep:
       return builder->Call(str.str(), "f2", "f2", "f2");
     case BuiltinType::kAll:
@@ -232,6 +233,7 @@ INSTANTIATE_TEST_SUITE_P(
         BuiltinData{BuiltinType::kSign, ParamType::kF32, "sign"},
         BuiltinData{BuiltinType::kSin, ParamType::kF32, "sin"},
         BuiltinData{BuiltinType::kSinh, ParamType::kF32, "sinh"},
+        BuiltinData{BuiltinType::kSmoothstep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSmoothStep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSqrt, ParamType::kF32, "sqrt"},
         BuiltinData{BuiltinType::kStep, ParamType::kF32, "step"},

src/tint/writer/msl/generator_impl.cc

@@ -1423,6 +1423,7 @@ std::string GeneratorImpl::generate_builtin_name(const sem::Builtin* builtin) {
     case sem::BuiltinType::kRound:
       out += "rint";
       break;
+    case sem::BuiltinType::kSmoothstep:
     case sem::BuiltinType::kSmoothStep:
       out += "smoothstep";
       break;

src/tint/writer/msl/generator_impl_builtin_test.cc

@@ -109,6 +109,7 @@ const ast::CallExpression* GenerateCall(BuiltinType builtin,
     case BuiltinType::kFma:
     case BuiltinType::kMix:
     case BuiltinType::kFaceForward:
+    case BuiltinType::kSmoothstep:
     case BuiltinType::kSmoothStep:
       return builder->Call(str.str(), "f2", "f2", "f2");
     case BuiltinType::kAll:
@@ -264,6 +265,7 @@ INSTANTIATE_TEST_SUITE_P(
         BuiltinData{BuiltinType::kSign, ParamType::kF32, "sign"},
         BuiltinData{BuiltinType::kSin, ParamType::kF32, "sin"},
         BuiltinData{BuiltinType::kSinh, ParamType::kF32, "sinh"},
+        BuiltinData{BuiltinType::kSmoothstep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSmoothStep, ParamType::kF32, "smoothstep"},
         BuiltinData{BuiltinType::kSqrt, ParamType::kF32, "sqrt"},
         BuiltinData{BuiltinType::kStep, ParamType::kF32, "step"},

src/tint/writer/spirv/builder.cc

@@ -216,6 +216,7 @@ uint32_t builtin_to_glsl_method(const sem::Builtin* builtin) {
       return GLSLstd450Sin;
     case BuiltinType::kSinh:
       return GLSLstd450Sinh;
+    case BuiltinType::kSmoothstep:
     case BuiltinType::kSmoothStep:
       return GLSLstd450SmoothStep;
     case BuiltinType::kSqrt:

test/tint/builtins/gen/smoothstep/392c19.wgsl

@@ -0,0 +1,45 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/builtin-gen
+// using the template:
+//   test/tint/builtins/builtins.wgsl.tmpl
+// and the builtin defintion file:
+//   src/tint/builtins.def
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn smoothstep(vec<2, f32>, vec<2, f32>, vec<2, f32>) -> vec<2, f32>
+fn smoothstep_392c19() {
+  var res: vec2<f32> = smoothstep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_392c19();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_392c19();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_392c19();
+}

test/tint/builtins/gen/smoothstep/392c19.wgsl.expected.glsl

@@ -0,0 +1,48 @@
+#version 310 es
+
+void smoothstep_392c19() {
+  vec2 res = smoothstep(vec2(0.0f, 0.0f), vec2(0.0f, 0.0f), vec2(0.0f, 0.0f));
+}
+
+vec4 vertex_main() {
+  smoothstep_392c19();
+  return vec4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void main() {
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void smoothstep_392c19() {
+  vec2 res = smoothstep(vec2(0.0f, 0.0f), vec2(0.0f, 0.0f), vec2(0.0f, 0.0f));
+}
+
+void fragment_main() {
+  smoothstep_392c19();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void smoothstep_392c19() {
+  vec2 res = smoothstep(vec2(0.0f, 0.0f), vec2(0.0f, 0.0f), vec2(0.0f, 0.0f));
+}
+
+void compute_main() {
+  smoothstep_392c19();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/smoothstep/392c19.wgsl.expected.hlsl

@@ -0,0 +1,30 @@
+void smoothstep_392c19() {
+  float2 res = smoothstep(float2(0.0f, 0.0f), float2(0.0f, 0.0f), float2(0.0f, 0.0f));
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  smoothstep_392c19();
+  return float4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  smoothstep_392c19();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  smoothstep_392c19();
+  return;
+}

test/tint/builtins/gen/smoothstep/392c19.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void smoothstep_392c19() {
+  float2 res = smoothstep(float2(), float2(), float2());
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  smoothstep_392c19();
+  return float4();
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  smoothstep_392c19();
+  return;
+}
+
+kernel void compute_main() {
+  smoothstep_392c19();
+  return;
+}
+

test/tint/builtins/gen/smoothstep/392c19.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+         %15 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %smoothstep_392c19 "smoothstep_392c19"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v2float = OpTypeVector %float 2
+         %16 = OpConstantNull %v2float
+%_ptr_Function_v2float = OpTypePointer Function %v2float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%smoothstep_392c19 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v2float Function %16
+         %13 = OpExtInst %v2float %15 SmoothStep %16 %16 %16
+               OpStore %res %13
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %smoothstep_392c19
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %smoothstep_392c19
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %smoothstep_392c19
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/smoothstep/392c19.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn smoothstep_392c19() {
+  var res : vec2<f32> = smoothstep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_392c19();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_392c19();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_392c19();
+}

test/tint/builtins/gen/smoothstep/40864c.wgsl

@@ -0,0 +1,45 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/builtin-gen
+// using the template:
+//   test/tint/builtins/builtins.wgsl.tmpl
+// and the builtin defintion file:
+//   src/tint/builtins.def
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn smoothstep(vec<4, f32>, vec<4, f32>, vec<4, f32>) -> vec<4, f32>
+fn smoothstep_40864c() {
+  var res: vec4<f32> = smoothstep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_40864c();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_40864c();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_40864c();
+}

test/tint/builtins/gen/smoothstep/40864c.wgsl.expected.glsl

@@ -0,0 +1,48 @@
+#version 310 es
+
+void smoothstep_40864c() {
+  vec4 res = smoothstep(vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+vec4 vertex_main() {
+  smoothstep_40864c();
+  return vec4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void main() {
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void smoothstep_40864c() {
+  vec4 res = smoothstep(vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+void fragment_main() {
+  smoothstep_40864c();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void smoothstep_40864c() {
+  vec4 res = smoothstep(vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f), vec4(0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+void compute_main() {
+  smoothstep_40864c();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/smoothstep/40864c.wgsl.expected.hlsl

@@ -0,0 +1,30 @@
+void smoothstep_40864c() {
+  float4 res = smoothstep(float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  smoothstep_40864c();
+  return float4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  smoothstep_40864c();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  smoothstep_40864c();
+  return;
+}

test/tint/builtins/gen/smoothstep/40864c.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void smoothstep_40864c() {
+  float4 res = smoothstep(float4(), float4(), float4());
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  smoothstep_40864c();
+  return float4();
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  smoothstep_40864c();
+  return;
+}
+
+kernel void compute_main() {
+  smoothstep_40864c();
+  return;
+}
+

test/tint/builtins/gen/smoothstep/40864c.wgsl.expected.spvasm

@@ -0,0 +1,65 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 31
+; Schema: 0
+               OpCapability Shader
+         %14 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %smoothstep_40864c "smoothstep_40864c"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+         %17 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%smoothstep_40864c = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v4float Function %5
+         %13 = OpExtInst %v4float %14 SmoothStep %5 %5 %5
+               OpStore %res %13
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %17
+         %19 = OpLabel
+         %20 = OpFunctionCall %void %smoothstep_40864c
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %22 = OpLabel
+         %23 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %23
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %26 = OpLabel
+         %27 = OpFunctionCall %void %smoothstep_40864c
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %29 = OpLabel
+         %30 = OpFunctionCall %void %smoothstep_40864c
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/smoothstep/40864c.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn smoothstep_40864c() {
+  var res : vec4<f32> = smoothstep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_40864c();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_40864c();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_40864c();
+}

test/tint/builtins/gen/smoothstep/5f615b.wgsl.expected.glsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/5f615b.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+                       ^^^^^^^^^^
+
 #version 310 es
 
 void smoothStep_5f615b() {

test/tint/builtins/gen/smoothstep/5f615b.wgsl.expected.hlsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/5f615b.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+                       ^^^^^^^^^^
+
 void smoothStep_5f615b() {
   float4 res = smoothstep(float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f));
 }

test/tint/builtins/gen/smoothstep/5f615b.wgsl.expected.msl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/5f615b.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+                       ^^^^^^^^^^
+
 #include <metal_stdlib>
 
 using namespace metal;

test/tint/builtins/gen/smoothstep/5f615b.wgsl.expected.spvasm

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/5f615b.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+                       ^^^^^^^^^^
+
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0

test/tint/builtins/gen/smoothstep/5f615b.wgsl.expected.wgsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/5f615b.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
+                       ^^^^^^^^^^
+
 fn smoothStep_5f615b() {
   var res : vec4<f32> = smoothStep(vec4<f32>(), vec4<f32>(), vec4<f32>());
 }

test/tint/builtins/gen/smoothstep/658be3.wgsl.expected.glsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/658be3.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+                       ^^^^^^^^^^
+
 #version 310 es
 
 void smoothStep_658be3() {

test/tint/builtins/gen/smoothstep/658be3.wgsl.expected.hlsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/658be3.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+                       ^^^^^^^^^^
+
 void smoothStep_658be3() {
   float3 res = smoothstep(float3(0.0f, 0.0f, 0.0f), float3(0.0f, 0.0f, 0.0f), float3(0.0f, 0.0f, 0.0f));
 }

test/tint/builtins/gen/smoothstep/658be3.wgsl.expected.msl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/658be3.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+                       ^^^^^^^^^^
+
 #include <metal_stdlib>
 
 using namespace metal;

test/tint/builtins/gen/smoothstep/658be3.wgsl.expected.spvasm

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/658be3.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+                       ^^^^^^^^^^
+
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0

test/tint/builtins/gen/smoothstep/658be3.wgsl.expected.wgsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/658be3.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+                       ^^^^^^^^^^
+
 fn smoothStep_658be3() {
   var res : vec3<f32> = smoothStep(vec3<f32>(), vec3<f32>(), vec3<f32>());
 }

test/tint/builtins/gen/smoothstep/6c4975.wgsl

@@ -0,0 +1,45 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/builtin-gen
+// using the template:
+//   test/tint/builtins/builtins.wgsl.tmpl
+// and the builtin defintion file:
+//   src/tint/builtins.def
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn smoothstep(f32, f32, f32) -> f32
+fn smoothstep_6c4975() {
+  var res: f32 = smoothstep(1.0, 1.0, 1.0);
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_6c4975();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_6c4975();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_6c4975();
+}

test/tint/builtins/gen/smoothstep/6c4975.wgsl.expected.glsl

@@ -0,0 +1,48 @@
+#version 310 es
+
+void smoothstep_6c4975() {
+  float res = smoothstep(1.0f, 1.0f, 1.0f);
+}
+
+vec4 vertex_main() {
+  smoothstep_6c4975();
+  return vec4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void main() {
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void smoothstep_6c4975() {
+  float res = smoothstep(1.0f, 1.0f, 1.0f);
+}
+
+void fragment_main() {
+  smoothstep_6c4975();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void smoothstep_6c4975() {
+  float res = smoothstep(1.0f, 1.0f, 1.0f);
+}
+
+void compute_main() {
+  smoothstep_6c4975();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/smoothstep/6c4975.wgsl.expected.hlsl

@@ -0,0 +1,30 @@
+void smoothstep_6c4975() {
+  float res = smoothstep(1.0f, 1.0f, 1.0f);
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  smoothstep_6c4975();
+  return float4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  smoothstep_6c4975();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  smoothstep_6c4975();
+  return;
+}

test/tint/builtins/gen/smoothstep/6c4975.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void smoothstep_6c4975() {
+  float res = smoothstep(1.0f, 1.0f, 1.0f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  smoothstep_6c4975();
+  return float4();
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  smoothstep_6c4975();
+  return;
+}
+
+kernel void compute_main() {
+  smoothstep_6c4975();
+  return;
+}
+

test/tint/builtins/gen/smoothstep/6c4975.wgsl.expected.spvasm

@@ -0,0 +1,65 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 31
+; Schema: 0
+               OpCapability Shader
+         %14 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %smoothstep_6c4975 "smoothstep_6c4975"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %float_1 = OpConstant %float 1
+%_ptr_Function_float = OpTypePointer Function %float
+         %18 = OpTypeFunction %v4float
+%smoothstep_6c4975 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_float Function %8
+         %13 = OpExtInst %float %14 SmoothStep %float_1 %float_1 %float_1
+               OpStore %res %13
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %18
+         %20 = OpLabel
+         %21 = OpFunctionCall %void %smoothstep_6c4975
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %23 = OpLabel
+         %24 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %24
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %26 = OpLabel
+         %27 = OpFunctionCall %void %smoothstep_6c4975
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %29 = OpLabel
+         %30 = OpFunctionCall %void %smoothstep_6c4975
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/smoothstep/6c4975.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn smoothstep_6c4975() {
+  var res : f32 = smoothstep(1.0, 1.0, 1.0);
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_6c4975();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_6c4975();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_6c4975();
+}

test/tint/builtins/gen/smoothstep/aad1db.wgsl

@@ -0,0 +1,45 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/builtin-gen
+// using the template:
+//   test/tint/builtins/builtins.wgsl.tmpl
+// and the builtin defintion file:
+//   src/tint/builtins.def
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn smoothstep(vec<3, f32>, vec<3, f32>, vec<3, f32>) -> vec<3, f32>
+fn smoothstep_aad1db() {
+  var res: vec3<f32> = smoothstep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_aad1db();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_aad1db();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_aad1db();
+}

test/tint/builtins/gen/smoothstep/aad1db.wgsl.expected.glsl

@@ -0,0 +1,48 @@
+#version 310 es
+
+void smoothstep_aad1db() {
+  vec3 res = smoothstep(vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f));
+}
+
+vec4 vertex_main() {
+  smoothstep_aad1db();
+  return vec4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void main() {
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void smoothstep_aad1db() {
+  vec3 res = smoothstep(vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f));
+}
+
+void fragment_main() {
+  smoothstep_aad1db();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void smoothstep_aad1db() {
+  vec3 res = smoothstep(vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f));
+}
+
+void compute_main() {
+  smoothstep_aad1db();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/smoothstep/aad1db.wgsl.expected.hlsl

@@ -0,0 +1,30 @@
+void smoothstep_aad1db() {
+  float3 res = smoothstep(float3(0.0f, 0.0f, 0.0f), float3(0.0f, 0.0f, 0.0f), float3(0.0f, 0.0f, 0.0f));
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  smoothstep_aad1db();
+  return float4(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  smoothstep_aad1db();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  smoothstep_aad1db();
+  return;
+}

test/tint/builtins/gen/smoothstep/aad1db.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void smoothstep_aad1db() {
+  float3 res = smoothstep(float3(), float3(), float3());
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  smoothstep_aad1db();
+  return float4();
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  smoothstep_aad1db();
+  return;
+}
+
+kernel void compute_main() {
+  smoothstep_aad1db();
+  return;
+}
+

test/tint/builtins/gen/smoothstep/aad1db.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+         %15 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %smoothstep_aad1db "smoothstep_aad1db"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v3float = OpTypeVector %float 3
+         %16 = OpConstantNull %v3float
+%_ptr_Function_v3float = OpTypePointer Function %v3float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%smoothstep_aad1db = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v3float Function %16
+         %13 = OpExtInst %v3float %15 SmoothStep %16 %16 %16
+               OpStore %res %13
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %smoothstep_aad1db
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %smoothstep_aad1db
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %smoothstep_aad1db
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/smoothstep/aad1db.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn smoothstep_aad1db() {
+  var res : vec3<f32> = smoothstep(vec3<f32>(), vec3<f32>(), vec3<f32>());
+}
+
+@stage(vertex)
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  smoothstep_aad1db();
+  return vec4<f32>();
+}
+
+@stage(fragment)
+fn fragment_main() {
+  smoothstep_aad1db();
+}
+
+@stage(compute) @workgroup_size(1)
+fn compute_main() {
+  smoothstep_aad1db();
+}

test/tint/builtins/gen/smoothstep/c11eef.wgsl.expected.glsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/c11eef.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+                       ^^^^^^^^^^
+
 #version 310 es
 
 void smoothStep_c11eef() {

test/tint/builtins/gen/smoothstep/c11eef.wgsl.expected.hlsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/c11eef.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+                       ^^^^^^^^^^
+
 void smoothStep_c11eef() {
   float2 res = smoothstep(float2(0.0f, 0.0f), float2(0.0f, 0.0f), float2(0.0f, 0.0f));
 }

test/tint/builtins/gen/smoothstep/c11eef.wgsl.expected.msl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/c11eef.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+                       ^^^^^^^^^^
+
 #include <metal_stdlib>
 
 using namespace metal;

test/tint/builtins/gen/smoothstep/c11eef.wgsl.expected.spvasm

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/c11eef.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+                       ^^^^^^^^^^
+
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0

test/tint/builtins/gen/smoothstep/c11eef.wgsl.expected.wgsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/c11eef.wgsl:28:24 warning: use of deprecated builtin
+  var res: vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
+                       ^^^^^^^^^^
+
 fn smoothStep_c11eef() {
   var res : vec2<f32> = smoothStep(vec2<f32>(), vec2<f32>(), vec2<f32>());
 }

test/tint/builtins/gen/smoothstep/cb0bfb.wgsl.expected.glsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/cb0bfb.wgsl:28:18 warning: use of deprecated builtin
+  var res: f32 = smoothStep(1.0, 1.0, 1.0);
+                 ^^^^^^^^^^
+
 #version 310 es
 
 void smoothStep_cb0bfb() {

test/tint/builtins/gen/smoothstep/cb0bfb.wgsl.expected.hlsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/cb0bfb.wgsl:28:18 warning: use of deprecated builtin
+  var res: f32 = smoothStep(1.0, 1.0, 1.0);
+                 ^^^^^^^^^^
+
 void smoothStep_cb0bfb() {
   float res = smoothstep(1.0f, 1.0f, 1.0f);
 }

test/tint/builtins/gen/smoothstep/cb0bfb.wgsl.expected.msl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/cb0bfb.wgsl:28:18 warning: use of deprecated builtin
+  var res: f32 = smoothStep(1.0, 1.0, 1.0);
+                 ^^^^^^^^^^
+
 #include <metal_stdlib>
 
 using namespace metal;

test/tint/builtins/gen/smoothstep/cb0bfb.wgsl.expected.spvasm

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/cb0bfb.wgsl:28:18 warning: use of deprecated builtin
+  var res: f32 = smoothStep(1.0, 1.0, 1.0);
+                 ^^^^^^^^^^
+
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0

test/tint/builtins/gen/smoothstep/cb0bfb.wgsl.expected.wgsl

@@ -1,3 +1,7 @@
+builtins/gen/smoothstep/cb0bfb.wgsl:28:18 warning: use of deprecated builtin
+  var res: f32 = smoothStep(1.0, 1.0, 1.0);
+                 ^^^^^^^^^^
+
 fn smoothStep_cb0bfb() {
   var res : f32 = smoothStep(1.0, 1.0, 1.0);
 }